根据下列各句句意和空白处之后的汉语提示词，在空白处指定区域的横线上写出对应单词的正确形式，每空写一词。
小题1:.At the railway station we had a long wait but we thought it was ____ (值得的) since we got the tickets.
小题2:.Much to her ____ (满意), her boss agreed to her suggestion.
小题3:.The scientists are searching for a way to increase grain harvests without ____(扩大) the area of the fields.
小题4:.Professor Li, can you make a(n) ____(评论) upon this movie.
小题5:.You can ____ (参考) to this book if you want to know more about stars.
小题6:.The American president Barack Obama ____ (发表) a speech on the issue of nuclear power last week.
小题7:.It is well known that Madam Curie won two Nobel Prizes for her ____ (成就).
小题8:.I ____ (尊重) his views, although I do not agree with them.
小题9:.The work is being performed smoothly; ____ (因此), we can expect to finish it on time.
小题10:.Recently a great amount of wheat grown in that country has been ____ (出口) to many other countries.